EFFECT OF SOME MICRONUTRIENTS ON THE YIELD AND ALKALOIDS CONTENT OF HARMAL PLANT (PEGNAUM HARMALA L.)

Document Type : Original Article

Authors

Horticultural Research Institute, Agricultural Research Centre, Giza, Egypt

10.21608/ejar.1994.451576

Abstract

In a study conducted on harmal plant (Peganum harmala L.) at Seds Experimental Station in Beni-Swaif Governorate, three powdered micronutrients formulations and two liquid ones named Wadi (3% Zn,4.5 Mn and 1.5% Fe), Sahara (5% Zn, 3.5% Mn and 1.7% Fe), Giri (3.8% Zn, 3.8% Mn and 3.8% Fe), Shiring-Zn (4% Zn, 2.7% Mn and 1.3% Fe) and Shiring-Mn (2.8% Zn, 4.2% Mn and 1.4% Fe) respectively, were foliarly applied for three times in the rate of 1.5 gIL. or 1.5 ml/L. (i.e. for the powdered and liquid forms respectively) starting at flowering and after three week intervals. The results revealed that all the formulations ap­plied increased the fresh and dry weight yields of herb, roots and the whole plant, as well as the alkaloid content in comparison with the con­trol. The "Wadi formulation_produced the highest yield of fresh and dry herb and roots. However, it may be considered that the "Shiring-Mn" formulation is the favourable one to obtain the highest yield of alkaloids.

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